Submission #749018

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
749018	2023-05-27T09:12:25 Z	mariowong	Secret (JOI14_secret)	C++14	Compilation error	0 ms	0 KB

secret

#include "secret.h"

map <pair<int,int>,pair<int,bool>  > m;
void ask(int l,int r,int A[]){
	int mid=(l+r)/2;
	if (l != r){
		ask(l,mid,A);
		ask(mid+1,r,A);
	} 
	int val=A[r];
	for (int i=r-1;i>=l;i--){
		if (!m[{i,r}].second){
			val=Secret(A[i],r);
			m[{i,r}]={val,true};
			
		} 
	}
}
void Init(int N, int A[]) {
  	m.clear();
  	int mid=(N-1)/2;
  	for (int i=0;i<N;i++) m[{i,i}]={A[i],true};
	ask(0,mid,A);
	ask(mid+1,N-1,A);
}

int Query(int L, int R) {
	if (m[{L,R}].second) return m[{L,R}].first;
	for (int i=L;i<R;i++){
		if (m[{L,i}].second && m[{i+1,R}].second) return Secret(m[{L,i}].first,m[{i+1,R}].first);
	}
  return 0;
}

Compilation message

secret.cpp:3:1: error: 'map' does not name a type
    3 | map <pair<int,int>,pair<int,bool>  > m;
      | ^~~
secret.cpp: In function 'void ask(int, int, int*)':
secret.cpp:12:8: error: 'm' was not declared in this scope
   12 |   if (!m[{i,r}].second){
      |        ^
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:20:4: error: 'm' was not declared in this scope
   20 |    m.clear();
      |    ^
secret.cpp: In function 'int Query(int, int)':
secret.cpp:28:6: error: 'm' was not declared in this scope
   28 |  if (m[{L,R}].second) return m[{L,R}].first;
      |      ^
secret.cpp:30:7: error: 'm' was not declared in this scope
   30 |   if (m[{L,i}].second && m[{i+1,R}].second) return Secret(m[{L,i}].first,m[{i+1,R}].first);
      |       ^